In the arid canyonlands of Mexico the race is on for the ultimate end-of-the-world codex--the final 1000-year-old prophesy of the god-king, Quetzalcoatl, who ruled Mexico 1000 years ago. Rita Critchlow and Cooper Jones hunt for that sacred codex in those scorching desert canyons, while 500 years ago, Pacal, a young slave-scholar, sets out on the same deadly quest. He too must find those apocalyptic writings, knowing that his era--the Age of the Aztecs--may...